//http://datatables.net/plug-ins/pagination#bootstrap

$.extend( true, $.fn.dataTable.defaults, {

	"sDom": "<'row-fluid'<'span6'l><'span6'f>r>t<'row-fluid'<'span6'i><'span6'p>>",

	"sPaginationType": "bootstrap",

	"oLanguage": {

		"sLengthMenu": "Display _MENU_ records"

	}

} );



/* API method to get paging information */

$.fn.dataTableExt.oApi.fnPagingInfo = function ( oSettings )

{

    return {

        "iStart":         oSettings._iDisplayStart,

        "iEnd":           oSettings.fnDisplayEnd(),

        "iLength":        oSettings._iDisplayLength,

        "iTotal":         oSettings.fnRecordsTotal(),

        "iFilteredTotal": oSettings.fnRecordsDisplay(),

        "iPage":          Math.ceil( oSettings._iDisplayStart / oSettings._iDisplayLength ),


        "iTotalPages":    Math.ceil( oSettings.fnRecordsDisplay() / oSettings._iDisplayLength )

    };

}

 

/* Bootstrap style pagination control */

$.extend( $.fn.dataTableExt.oPagination, {

    "bootstrap": {

        "fnInit": function( oSettings, nPaging, fnDraw ) {

            var oLang = oSettings.oLanguage.oPaginate;

            var fnClickHandler = function ( e ) {

                e.preventDefault();

                if ( oSettings.oApi._fnPageChange(oSettings, e.data.action) ) {

                    fnDraw( oSettings );

                }

            };

 

            $(nPaging).addClass('pagination').append(

                '<ul>'+

                    '<li class="prev disabled"><a href="#"><i class="icon-double-angle-left"></i></a></li>'+

                    '<li class="next disabled"><a href="#"><i class="icon-double-angle-right"></i></a></li>'+

                '</ul>'

            );

            var els = $('a', nPaging);

            $(els[0]).bind( 'click.DT', { action: "previous" }, fnClickHandler );

            $(els[1]).bind( 'click.DT', { action: "next" }, fnClickHandler );

        },

 

        "fnUpdate": function ( oSettings, fnDraw ) {

            var iListLength = 5;

            var oPaging = oSettings.oInstance.fnPagingInfo();

            var an = oSettings.aanFeatures.p;

            var i, j, sClass, iStart, iEnd, iHalf=Math.floor(iListLength/2);

 

            if ( oPaging.iTotalPages < iListLength) {

                iStart = 1;

                iEnd = oPaging.iTotalPages;

            }

            else if ( oPaging.iPage <= iHalf ) {

                iStart = 1;

                iEnd = iListLength;

            } else if ( oPaging.iPage >= (oPaging.iTotalPages-iHalf) ) {

                iStart = oPaging.iTotalPages - iListLength + 1;

                iEnd = oPaging.iTotalPages;

            } else {

                iStart = oPaging.iPage - iHalf + 1;

                iEnd = iStart + iListLength - 1;

            }

 

            for ( i=0, iLen=an.length ; i<iLen ; i++ ) {

                // Remove the middle elements

                $('li:gt(0)', an[i]).filter(':not(:last)').remove();

 

                // Add the new list items and their event handlers

                for ( j=iStart ; j<=iEnd ; j++ ) {

                    sClass = (j==oPaging.iPage+1) ? 'class="active"' : '';

                    $('<li '+sClass+'><a href="#">'+j+'</a></li>')

                        .insertBefore( $('li:last', an[i])[0] )

                        .bind('click', function (e) {

                            e.preventDefault();

                            oSettings._iDisplayStart = (parseInt($('a', this).text(),10)-1) * oPaging.iLength;

                            fnDraw( oSettings );

                        } );

                }

 

                // Add / remove disabled classes from the static elements

                if ( oPaging.iPage === 0 ) {

                    $('li:first', an[i]).addClass('disabled');

                } else {

                    $('li:first', an[i]).removeClass('disabled');

                }

 

                if ( oPaging.iPage === oPaging.iTotalPages-1 || oPaging.iTotalPages === 0 ) {

                    $('li:last', an[i]).addClass('disabled');

                } else {

                    $('li:last', an[i]).removeClass('disabled');

                }

            }

        }

    }

} );